1728841968

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 240

約数和(自身を含む): 5788240640

約数和(自身を除く): 4059398672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 139, 144, 162, 168, 189, 216, 243, 252, 278, 324, 336, 378, 417, 432, 457, 486, 504, 556, 567, 648, 756, 834, 914, 972, 973, 1008, 1112, 1134, 1251, 1296, 1371, 1512, 1668, 1701, 1828, 1944, 1946, 2224, 2268, 2502, 2742, 2919, 3024, 3199, 3336, 3402, 3656, 3753, 3888, 3892, 4113, 4536, 5004, 5484, 5838, 6398, 6672, 6804, 7312, 7506, 7784, 8226, 8757, 9072, 9597, 10008, 10968, 11259, 11676, 12339, 12796, 13608, 15012, 15568, 16452, 17514, 19194, 20016, 21936, 22518, 23352, 24678, 25592, 26271, 27216, 28791, 30024, 32904, 33777, 35028, 37017, 38388, 45036, 46704, 49356, 51184, 52542, 57582, 60048, 63523, 65808, 67554, 70056, 74034, 76776, 78813, 86373, 90072, 98712, 105084, 111051, 115164, 127046, 135108, 140112, 148068, 153552, 157626, 172746, 180144, 190569, 197424, 210168, 222102, 230328, 236439, 254092, 259119, 270216, 296136, 315252, 345492, 381138, 420336, 444204, 444661, 460656, 472878, 508184, 518238, 540432, 571707, 592272, 630504, 690984, 762276, 777357, 888408, 889322, 945756, 1016368, 1036476, 1143414, 1261008, 1333983, 1381968, 1524552, 1554714, 1715121, 1776816, 1778644, 1891512, 2072952, 2286828, 2667966, 3049104, 3109428, 3430242, 3557288, 3783024, 4001949, 4145904, 4573656, 5145363, 5335932, 6218856, 6860484, 7114576, 8003898, 9147312, 10290726, 10671864, 12005847, 12437712, 13720968, 15436089, 16007796, 20581452, 21343728, 24011694, 27441936, 30872178, 32015592, 36017541, 41162904, 48023388, 61744356, 64031184, 72035082, 82325808, 96046776, 108052623, 123488712, 144070164, 192093552, 216105246, 246977424, 288140328, 432210492, 576280656, 864420984, 1728841968]

約数ペア:

[(1, 1728841968), (2, 864420984), (3, 576280656), (4, 432210492), (6, 288140328), (7, 246977424), (8, 216105246), (9, 192093552), (12, 144070164), (14, 123488712), (16, 108052623), (18, 96046776), (21, 82325808), (24, 72035082), (27, 64031184), (28, 61744356), (36, 48023388), (42, 41162904), (48, 36017541), (54, 32015592), (56, 30872178), (63, 27441936), (72, 24011694), (81, 21343728), (84, 20581452), (108, 16007796), (112, 15436089), (126, 13720968), (139, 12437712), (144, 12005847), (162, 10671864), (168, 10290726), (189, 9147312), (216, 8003898), (243, 7114576), (252, 6860484), (278, 6218856), (324, 5335932), (336, 5145363), (378, 4573656), (417, 4145904), (432, 4001949), (457, 3783024), (486, 3557288), (504, 3430242), (556, 3109428), (567, 3049104), (648, 2667966), (756, 2286828), (834, 2072952), (914, 1891512), (972, 1778644), (973, 1776816), (1008, 1715121), (1112, 1554714), (1134, 1524552), (1251, 1381968), (1296, 1333983), (1371, 1261008), (1512, 1143414), (1668, 1036476), (1701, 1016368), (1828, 945756), (1944, 889322), (1946, 888408), (2224, 777357), (2268, 762276), (2502, 690984), (2742, 630504), (2919, 592272), (3024, 571707), (3199, 540432), (3336, 518238), (3402, 508184), (3656, 472878), (3753, 460656), (3888, 444661), (3892, 444204), (4113, 420336), (4536, 381138), (5004, 345492), (5484, 315252), (5838, 296136), (6398, 270216), (6672, 259119), (6804, 254092), (7312, 236439), (7506, 230328), (7784, 222102), (8226, 210168), (8757, 197424), (9072, 190569), (9597, 180144), (10008, 172746), (10968, 157626), (11259, 153552), (11676, 148068), (12339, 140112), (12796, 135108), (13608, 127046), (15012, 115164), (15568, 111051), (16452, 105084), (17514, 98712), (19194, 90072), (20016, 86373), (21936, 78813), (22518, 76776), (23352, 74034), (24678, 70056), (25592, 67554), (26271, 65808), (27216, 63523), (28791, 60048), (30024, 57582), (32904, 52542), (33777, 51184), (35028, 49356), (37017, 46704), (38388, 45036)]